A plasma torch on an xy-axis allows cutting almost any shape out of a sheet of metal.
GoTorch CNC Plasma Cutter
The GoTorch allows cutting a range of thicknesses between 30-guage and up to 1 inch of steel on a 3′ x 4′ area. This can be used to create accurate parts, personalized signs, piece-together boxes, and more. Other materials include acrylic and wood.